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Contour vs Photosynthesis

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Contour compared with Photosynthesis
DetailContour logo ContourPhotosynthesis logo Photosynthesis
What it doesOverlay old photos on your live camera to retake the exact same shot Two lenses, one press, one high-res photo
StageStartup Startup
FoundedNot given 2026
Based inNot given GB
Pricing modelFree Freemium
PricingFree. No account, no ads, no in-app purchases. Free (with 5 exports per month after 14-day trial); Subscribe (monthly or yearly); Lifetime unlock available
Key features
  • Contour overlay with glowing edge outlines, ghost overlay, or off
  • Before and after slider comparison
  • Create looping GIFs with adjustable frame speed
  • AI Object Swap coming soon
  • No account or sign-up required
  • Available in English, Spanish, and Russian
  • iOS 17 or later required
  • Simultaneous dual-lens capture
  • Automatic alignment and color matching
  • Custom editor with advanced tools
  • Multiple export formats including PSD
  • Unlimited capture and editing in free tier
  • 1x + Zoom or 1x + 0.5x lens combinations
  • iCloud backup and custom folder export
  • Ghosting and alignment correction tools
  • Custom themes and app icons
  • Comparison view to standard camera results
What makes it different
  • Completely private with all processing and storage on-device
  • Free with no ads or in-app purchases
  • Create animated GIFs to visualize changes over time
  • Combines field of view and detail without compromise
  • Works with all two-lens iPhones since iPhone 11
  • Simultaneous dual-lens capture prevents motion blur issues
  • Professional-grade export options including layered PSD
Community votes00
DR (Domain Rating by Ahrefs)2 no change since last check8 no change since last check
Trust Flow (Majestic)179
Citation Flow (Majestic)2023
Referring domains (Majestic)36287

6 details filled in for both companies.

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